278000684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 572006400

約数和(自身を除く): 294005716

約数列:

[1, 2, 4, 13, 26, 31, 37, 52, 59, 62, 74, 79, 118, 124, 148, 158, 236, 316, 403, 481, 767, 806, 962, 1027, 1147, 1534, 1612, 1829, 1924, 2054, 2183, 2294, 2449, 2923, 3068, 3658, 4108, 4366, 4588, 4661, 4898, 5846, 7316, 8732, 9322, 9796, 11692, 14911, 18644, 23777, 28379, 29822, 31837, 37999, 47554, 56758, 59644, 60593, 63674, 67673, 75998, 90613, 95108, 113516, 121186, 127348, 135346, 144491, 151996, 172457, 181226, 242372, 270692, 288982, 344914, 362452, 577964, 689828, 879749, 1177969, 1759498, 1878383, 2241941, 2355938, 3518996, 3756766, 4483882, 4711876, 5346167, 7513532, 8967764, 10692334, 21384668, 69500171, 139000342, 278000684]

約数ペア:

[(1, 278000684), (2, 139000342), (4, 69500171), (13, 21384668), (26, 10692334), (31, 8967764), (37, 7513532), (52, 5346167), (59, 4711876), (62, 4483882), (74, 3756766), (79, 3518996), (118, 2355938), (124, 2241941), (148, 1878383), (158, 1759498), (236, 1177969), (316, 879749), (403, 689828), (481, 577964), (767, 362452), (806, 344914), (962, 288982), (1027, 270692), (1147, 242372), (1534, 181226), (1612, 172457), (1829, 151996), (1924, 144491), (2054, 135346), (2183, 127348), (2294, 121186), (2449, 113516), (2923, 95108), (3068, 90613), (3658, 75998), (4108, 67673), (4366, 63674), (4588, 60593), (4661, 59644), (4898, 56758), (5846, 47554), (7316, 37999), (8732, 31837), (9322, 29822), (9796, 28379), (11692, 23777), (14911, 18644)]